Siemens Openscape Voice

It is the only voice application on the market today that is fully integrated with a complete unified communications solution. OpenScape Voice is
based on OpenScape UC Sever and includes all the features provided by UC Server.

Siemens OpenScape Voice is a carrier-grade, native SIP-based soft switch, 
providing comprehensive voice features anywhere the IP
network goes. It is the only voice application on the market today that
is fully integrated with a complete unified communications solution.

OpenScape Voice is scalable from 300 to 100,000
users on a single system, and a virtually unlimited number of users 
in a network. It can support up to 3,000 branches and 6,000 business 
groups, and includes multi-tenant capabilities, so is ideal for a largescale
enterprise networks and service providers. OpenScape Voice 
has carrier-grade reliability and resiliency and uses open standards
throughout the design and common IT tools for management. It
includes standard IT virtualization and management options.